I can't attach Parallels Installer log, but it shows:
Installation started in background
Getting bootstrapper packages to installation list:
skip package 'pp11.0.9-bootstrapper-11.0.9-cos6.build110120608.16.x86_64' from component base - there is same or newer version of this package is installed (in system pp11.0.9-bootstrapper-11.0.9-cos6.build110120608.16.x86_64)
Following bootstrapper packages will be installed: (empty)
----------------
Getting packages to installation list:
skip package 'plesk-base-11.0.9-cos6.build110120608.16.x86_64' from component base - there is same or newer version of this package is installed (in system plesk-base-11.0.9-cos6.build110120608.16.x86_64)
skip package 'plesk-core-11.0.9-cos6.build110120608.16.x86_64' from component base - there is same or newer version of this package is installed (in system plesk-core-11.0.9-cos6.build110120608.16.x86_64)
skip package 'plesk-l10n-11.0.9-cos6.build110120827.16.noarch' from component base - there is same or newer version of this package is installed (in system plesk-l10n-11.0.9-cos6.build110120827.16.noarch)
skip package 'plesk-skins-11.0.8-12051419.noarch' from component base - there is same or newer version of this package is installed (in system plesk-skins-11.0.8-12051419.noarch)
skip package 'psa-11.0.9-cos6.build110120608.16.x86_64' from component base - there is same or newer version of this package is installed (in system psa-11.0.9-cos6.build110120608.16.x86_64)
skip package 'psa-libpam-plesk-11.0.9-cos6.build110120608.16.x86_64' from component base - there is same or newer version of this package is installed (in system psa-libpam-plesk-11.0.9-cos6.build110120608.16.x86_64)
skip package 'psa-locale-base-en-US-11.0.9-cos6.build110120911.11.noarch' from component base - there is same or newer version of this package is installed (in system psa-locale-base-en-US-11.0.9-cos6.build110120911.11.noarch)
skip package 'psa-logrotate-3.7-cos6.build110120606.19.x86_64' from component base - there is same or newer version of this package is installed (in system psa-logrotate-3.7-cos6.build1013111101.14.x86_64)
...
...
...
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[perl-Time-HiRes.x86_64 4:1.9721-130.el6_4 - u]
[perl-Module-Pluggable.x86_64 1:3.90-127.el6 - ud]
[awstats.noarch 0:7.1.1-13040115.swsoft - u]
[perl-Pod-Simple.x86_64 1:3.13-130.el6_4 - u]
[perl-IO-Compress-Base.x86_64 0:2.020-127.el6 - ud]
[perl-CGI.x86_64 0:3.51-130.el6_4 - u]
[perl-ExtUtils-MakeMaker.x86_64 0:6.55-130.el6_4 - u]
[perl-Compress-Zlib.x86_64 0:2.020-130.el6_4 - u]
[perl-Compress-Raw-Zlib.x86_64 1:2.020-130.el6_4 - u]
[perl-devel.x86_64 4:5.10.1-127.el6 - ud]
[perl-Test-Harness.x86_64 0:3.17-130.el6_4 - u]
[perl-IO-Compress-Zlib.x86_64 0:2.020-130.el6_4 - u]
[awstats.noarch 0:7.0-11122114.swsoft - ud]
[perl-Module-Pluggable.x86_64 1:3.90-130.el6_4 - u]
[perl-ExtUtils-ParseXS.x86_64 1:2.2003.0-127.el6 - ud]
[perl-Pod-Escapes.x86_64 1:1.04-130.el6_4 - u]
[perl.x86_64 4:5.10.1-127.el6 - ud]
[psa-awstats-configurator.noarch 0:11.0.9-cos6.build110130401.15 - u]
[perl-version.x86_64 3:0.77-130.el6_4 - u]
[perl-Time-HiRes.x86_64 4:1.9721-127.el6 - ud]
Traceback (most recent call last):
File "/usr/local/psa/bin/yum_install", line 194, in <module>
main()
File "/usr/local/psa/bin/yum_install", line 180, in main
inst, rem = installer.resolve(to_install, opts.remove)
File "/usr/local/psa/bin/yum_install", line 130, in resolve
raise Exception("Failed to solve dependencies:\n" + '\n'.join(msgs))
Exception: Failed to solve dependencies:
1

erl-Digest-SHA-5.47-127.el6.x86_64 requires perl = 4:5.10.1-127.el6
Execute command /usr/local/psa/admin/bin/send-error-report install
Error: La utilidad Yum no ha podido instalar los paquetes requeridos.
¡Importante! Puede que su software no esté operativo.
Contacte con el equipo de soporte técnico del producto.